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Ming Zhao and Erfan Taheri
Control of flow past a circular cylinder using a rotating control rod is investigated by conducting two-dimensional numerical simulations with a Reynolds number of 200, a rod-to-cylinder diameter ratio of 0.2, a gap ratio of 0.2, position angles of the c...
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Zihao Yuan, Ruinan Mu, Haifeng Zhao and Ke Wang
In this work, a dynamic model is proposed to simulate the drilling and steering process of an autonomous burrowing mole to access scientific samples from the deep subsurface of the Moon. The locomotive module is idealized as a rigid rod. The characterist...
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Huy Thanh Vo, Tsuyoshi Imai, Masato Fukushima, Tasuma Suzuki, Hiraku Sakuma, Takashi Hitomi and Yung-Tse Hung
This study aims to demonstrate the effectiveness of using biological oxidation for hydrogen sulfide (H2S) control. A long-term experiment was conducted using a rod-shaped electrode made of highly conductive concrete, which provided an electron pathway fo...
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Tadayoshi Shoyama, Ayana Banno, Yousuke Furuta, Noboru Kurata, Daisuke Ode, Yutaka Wada and Takafumi Matsui
The method of air-launching a rocket using a launcher suspended from a balloon, referred to as a rockoon, can improve the flight performance of small rockets. However, there have been safety issues and flight trajectory errors due to uncertainty with res...
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Tengxiang Yang, Chengqian Jin, Youliang Ni, Zhen Liu and Man Chen
Aiming at the demand by unmanned farms for unmanned operation in the entire process of field management, an unmanned plant protection robot for field management was developed based on a platform comprising a traditional high-clearance spray rod sprayer, ...
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Zhe Dong
Although there have been some severe nuclear accidents such as Three Mile Island (USA), Chernobyl (Ukraine) and Fukushima (Japan), nuclear fission energy is still a source of clean energy that can substitute for fossil fuels in a centralized way and in a...
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Shaobo Ye, Xinchi Zhang, Qi Wang, Xin Li, Fenshan Hu, Haiyan Song and Decong Zheng
Mechanical weeding is an important technical means for organic and regenerative agricultural systems. Current weed control equipment has a variety of problems, such as difficulty adapting to high-stalk crops and poor operational quality. A high-clearance...
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Huimin Xu, Gaohong Yu, Chenyu Niu, Xiong Zhao, Yimiao Wang and Yijin Chen
Mature broccoli has large flower balls and thick stems. Therefore, manual broccoli picking is laborious and energy-consuming. However, the big spheroid vegetable-picking manipulator has a complex structure and poor enveloping effect and easily causes mec...
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Yahui Luo, Defan Huang, Ping Jiang, Siliang Xiang, Jianfei Liu, Minzi Xu and Yixin Shi
Crop cultivation in solar greenhouses is affected by issues such as low levels of automation in spraying machinery, inefficient spraying, and a lack of suitable spraying equipment for vertically cultivated crops, all of which are in urgent need of resolu...
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Serhii Buriakovskyi,Vasyl Smirnov,Larysa Asmolova,Ihor Obruch,Oleksandr Rafalskyi,Artem Maslii
Pág. 58 - 69
This paper reports a study into the dynamics of displacing a railroad turnout's switches with a direct start of electric motor and a controlled DC electric drive in the MATLAB environment. The emphasis of simulation was the investigation of processes tak...
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Gezekile Nyalunga, Vishana Naicker, Maria du Toit
In recent years, due to economic and social infrastructure development and growth, South Africa has been facing growth in energy demand. Addressing this demand includes building more coal power stations, however with attention paid in designing them to r...
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Elham Salari, Mohsen Peyghambarzadeh, Mohammad Mohsen Sarafraz, Faramarz Hormozi
Pág. 252 - 258
This paper focuses on the thermal performance of alumina nano-fluids during the quenching process of a surface at the boiling condition, which can be a good answer to the controversial results available in the nano-fluid related literature. For this purp...
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Digby D. Macdonald and George R. Engelhardt
The radiolysis of water is a significant cause of corrosion damage in the primary heat transport systems (PHTSs) of water-cooled, fission nuclear power reactors (BWRs, PWRs, and CANDUs) and is projected to be a significant factor in the evolution of corr...
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Kyung-Hoon Jang, Sang-Won Seo and Dong-Jin Kim
In this paper, we present the optimized air space of the lightning protection rod (SK-AOR380) with the function of a charge transfer system (CTS). For evaluation of CTS in the laboratory setting, some studies have focused on the modification of the struc...
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